Last seen: Apr 8, 2025
My cylinder, buffer tank and the hot water circulating pump are in a room underneath my bedroom (which has become noticeably warmer). There was audibl...
That happened with my installation. Whoever had been sent to the plumbing suppliers to buy various parts got the wrong type of valve. Once the system ...
I've done a quick analysis of data collected by a pair of Elitech RC5+ temperature loggers for the period 20 - 22 January to look for defrosting cycle...
I very rarely hear my 7kW Arotherm+ but have twice heard it roar at the end of the defrosting cycle when it's blown out a cloud of fog. It's fitted un...
@Ajbevster If the OAT is reading 10C high then it might be possible to offset this by setting the target house temperature as 10C high until the OAT s...
@davidm06 I think 14C is better than 10C as it keeps a bit more heat in the house. I recall, without checking the documentation, that Vaillant defaul...
At a house temperature of 10C there won't be much thermal energy in the circulating water to make defrosting quick and easy. I wonder if the heat pump...
@jamespa: You might want to go easy on the abbreviations when someone is trying to understand how their heat pump works and may end up wondering why a...
@transparent Amazon, for some reason, isn't cooperating with me today and 2 of the 3 links I have posted aren't working properly. Search Amazon for "E...
@Alfapat: The inverter should provide the capability to ramp up the compressor speed but I notice that there is almost a factor of two difference betw...
@Richard24738 Thanks for the clarification. I await your conclusion.
Your system is worse than normal for something that has been very badly configured! My first thought is that you should turn up the radiator temperatu...
Latest Posts
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
If you saw it with your own eyes I wouldn't attempt to ...
By AndrewJ , 8 hours ago
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Our 7kW Vaillant is wall mounted, no problem neat insta...
By Judith , 8 hours ago
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RE: Replacing my 18 month old ASHP
@trebor12345 @jamespa If it helps any this documents...
By RobS , 8 hours ago
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RE: Cashback Incentives That Reward Shorter Ideal Heat Pump Warranties
Comment to bring this topic back into the spotlight for...
By Mars , 10 hours ago
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RE: Maintaining temperature on windy day
I used to, but now I am retired. Mostly I miss doing th...
By cathodeRay , 10 hours ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
Quick update, Solis AI looks like work in progress. Had...
By Batpred , 11 hours ago
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@davidalgarve that sounds like the recommended method, ...
By F1p , 13 hours ago
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RE: Extend the colder range of the weather compensation curve?
Daikin has a slope WDC which changes per degree of temp...
By RadWhisperer , 15 hours ago
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RE: Why Millions of UK Homes Struggle With Heat Pumps
The idea (and at least one similar product) has been ar...
By JamesPa , 16 hours ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
In a nutshell, yes- set weather compensation curve and ...
By benson , 20 hours ago
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RE: Commencing on an ASHP Installation Process
@sheriff-fatman looks very nice. And good shout check...
By benson , 20 hours ago
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RE: ECO4, ECO3, ECO2, ECO1, HUS, BUS, GBIS Dedicated Support and Advice
@toodles very happy too (I have no vested interest othe...
By Bart , 20 hours ago
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RE: Boxt Heat Pump Installation Experience
By Andrew J H , 1 day ago
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RE: Don’t Install a Heat Pump Until You Read This
I feel for you. I have never done a major 'build' per...
By JamesPa , 1 day ago
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Threeway Diverter Valve question
I am looking at a few upgrades/fixes to my Grant Aerona...
By Grantmethestrength , 2 days ago
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Thank you! I use plotly in python, with the data comi...
By cathodeRay , 2 days ago
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RE: 10kw heat pump run in 24*7 data?
Vaillant are pretty good maintaining their ...
By JamesPa , 2 days ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
So this morning marked 24 hours up for installer. Rooms...
By Crimson , 2 days ago
